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The application of a 3-d noise prediction model is increasing as a tool for performing actualnoise assessment in order to investigate the noise impact of the residential facility around adevelopment region. However, because the appropriate plans of applying a 3-d noise predictionmodel is insufficient, it is important to secure the reliability of the noise prediction results generatedby a 3-d noise prediction model. Therefore, this study is focused on examining a 3-d noiseprediction model, and a prediction equation and input data in it. For this, the 3-d noise predictionmodels such as SoundPLAN, Cadna-A, IMMI is applied in road noise. After the contents of roadnoise equations, input data of road noise source, and input data of road noise barrier areunderstood, the road noise prediction results are compared and examined according to thevariation of 3-d noise prediction model, road noise equation, and input data of road noise sourceand road noise barrier.Keywords : 3-d noise prediction model, Noise map, Road noise, Noise impact assessment

A Study for Examination of Road Noise Prediction Results According to 3-d Noise Prediction Models and Input Parameters